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72 lines
1.5 KiB
C++
72 lines
1.5 KiB
C++
#ifndef BOOST_RANGE_VALUE_HPP
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#define BOOST_RANGE_VALUE_HPP
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// Copyright (c) 2015 Robert Ramey
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#include <iosfwd>
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// print range and value to a standard stream
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// make a simple wrapper
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template<typename T>
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struct range_value {
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// type requirement - a numeric type
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const T & m_t;
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constexpr range_value(const T & t)
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: m_t(t)
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{}
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};
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template<typename T>
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constexpr range_value<T> make_range_value(const T & t){
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return range_value<T>(t);
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}
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#include "interval.hpp"
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template<
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class CharT,
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class Traits,
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class T
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>
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std::basic_ostream<CharT, Traits> & operator<<(
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std::basic_ostream<CharT, Traits> & os,
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const range_value<T> & t
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){
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return os
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<< boost::safe_numerics::make_interval<T>()
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<< t.m_t;
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}
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template<typename T>
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struct result_display {
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const T & m_t;
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result_display(const T & t) :
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m_t(t)
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{}
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};
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template<typename T>
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result_display<T> make_result_display(const T & t){
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return result_display<T>(t);
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}
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template<typename CharT, typename Traits, typename T>
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inline std::basic_ostream<CharT, Traits> &
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operator<<(
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std::basic_ostream<CharT, Traits> & os,
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const result_display<T> & r
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){
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return os
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<< std::hex
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<< make_range_value(r.m_t)
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<< "(" << std::dec << r.m_t << ")";
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}
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#endif // BOOST_RANGE_VALUE_HPP
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